After Entering the City, I Became Invincible in the Metropolis

After Entering the City, I Became Invincible in the Metropolis Plot:

Rural guy Lin Xiaofan enters the city with his grandfather’s "life-saving pouch" to find his missing sister. Right after getting off the train, he’s surrounded by hooligans. When in danger, the pouch glows, and he suddenly gains extraordinary combat skills, defeating them easily. The next day, while helping a noodle shop aunt catch a thief, he saves Su Qing, a beautiful CEO being chased. To repay him, Su Qing hires him as a bodyguard, but they accidentally get involved in a business conspiracy against the Su family—which is connected to Lin Xiaofan’s missing sister. What shocks him even more: his grandfather’s "pouch" is actually an ancient inheritance, and his "invincibility" has long been targeted by someone…